Trail Running Calendar East of England 2025-2026

The Five Rivers Ultra is an ultra-endurance running event held along the scenic North Essex and South Suffolk coastline, finishing in Harwich, Suffolk. It offers three distance options: 100 miles, 50 miles, and 50 km, suitable for walkers, joggers, and runners. The course is a relatively flat, point..

The Taxus Baccata Trahentium is a trail running event organized by Essex Trail Events, taking place near Bishop's Stortford at The Yew Tree pub in Manuden. Scheduled for May 11, 2025, the race covers approximately 7 miles through the wild west of Essex county on a new route. It is a self-navigation..

The Gaddesden Gallop is an exciting cross-country running event taking place in the picturesque Hertfordshire countryside. Scheduled for May 11, 2025, participants can choose between a 10K or 5K run, with categories for both adults and under-18s. The event also features mini races for children under..

The Zig Zag Marathon and Half Marathon takes place at the Suffolk Running Centre in Bury St Edmunds, featuring a scenic and officially measured route. Participants can choose between a full marathon and a half marathon, both designed for runners seeking a Good For Age (GFA) qualification. The event..

The Halstead & Essex Marathon, established in 1995, is an annual race held in North Essex, attracting participants from across the UK and beyond. Organized by Halstead Road Runners, the event features a scenic course through rolling hills, woods, and farmland on low-traffic roads. It is part of the..

The Pitsea RC Crown to Crown is a 5k off-road trail race held at Westley Heights Country Park, Langdon Hills. The course features a measured 5k route mainly on bridleways, starting on Beeleigh Avenue, passing through Lee Chapel Lane, and looping around the Essex Wildlife Trust's Willow Park before f..

The Bluebell 5 is an annual running event organized by Pitsea Running Club in collaboration with the Essex Wildlife Trust, taking place on May 18, 2025. This five-mile off-road race offers participants a scenic journey through the picturesque Little Haven Nature Reserve, featuring vibrant bluebells,..

The Castle Trail, organized by Essex Trail Events, is a self-navigation trail race held at Stansted Mountfitchet Castle in Essex on May 18, 2025. Participants can choose between two distances: approximately 13.1 miles or 6.2 miles. The race uses a written route description provided on the day, with..

The Galloping Grind 10k Trail Run is a small, exclusive event held in Boreham, featuring a 10-kilometer loop through the countryside. Limited to just 20 participants, the race offers a unique dusk running experience with a predominantly anti-clockwise course. Runners are encouraged to wear high-visi..

The Phoenix Striders Summer Series is a trail running event held at the Essex Wildlife Trust's Langdon Discovery Nature Park, part of Langdon Hills. The series consists of five rounds, with the second round taking place on May 20, 2025. The event features a 5k trail run for participants aged 12 and..

The Run Banham Zoo (5k) is an exciting running event held at Banham Zoo, offering participants a unique course that winds through scenic zoo grounds and finishes with a lap around the zoo's perimeter. Runners will pass by a variety of animals including kangaroos, giraffes, lemurs, and meerkats, thou..

Farmmageddon is an exciting 100-mile running event organized by Zig Zag Running, taking place over two days at Hyde Hall Farm. Participants will tackle a 5.3k loop course, with a total time limit of 32 hours to complete their chosen distance. The event caters to all abilities, offering various dista..

The Angles Way Ultra is a long-distance trail running event held along the scenic Waveney River valley on the Norfolk/Suffolk border, between Thetford and Great Yarmouth. The event features two distances: a 100k ultra starting in Diss and a 50k ultra beginning in Shipmeadow, both finishing in Great..

The Toppesfield Tens is a trail running event organized by Essex Trail Events, held at The Green Man in Toppesfield, near Halstead, UK. Scheduled for May 26, 2025, the race offers two distance options: approximately 10 miles or 6.2 miles (10 km). It is a self-navigation trail race where participants..

The Ridgeway Challenge is an 86-mile (139 km) point-to-point trail running race along the entire length of The Ridgeway National Trail in England. Starting at Ivinghoe Beacon in Hertfordshire and finishing at the Avebury Stones in Wiltshire, the course follows a historic path over 5,000 years old. T..

The Circuit du Sore Legs is an annual running event held at Wodson Park Sports and Leisure Centre in Ware, Hertfordshire. Celebrating its fifth year, it offers multiple distances on a 400-meter athletics track, including 5k, 10k, half marathon, full marathon, 50k ultra, and a 6-hour challenge. The e..

The Suffolk Back Yard Ultra is a highly competitive ultrarunning event held at High Lodge in Thetford Forest, Suffolk. Participants run a 4.167-mile loop every hour on the hour, continuing until only one runner completes a loop within the hour time limit. The course is wide, flat, and fast, featurin..

The Pathfinder March is an annual 46-mile event in Cambridgeshire, England, featuring running or walking options for individuals or teams. Participants traverse a scenic route passing through historic RAF Pathfinder Force Airbases, honoring their WWII legacy. The event starts and ends at RAF Wyton A..

The Chignal Fete Trail Race, organized by Essex Trail Events, is a 6-mile self-navigation trail run held in Chignal St James, Chelmsford, Essex. Scheduled for June 7, 2025, the race features a new route each year and requires participants to follow a written route description without course markings..

The Sundowner Marathon is a unique running event that takes participants through scenic routes including canals, waterfalls, vineyards, woodlands, and coastal saltmarshes. Scheduled for early June, the marathon begins on a summer evening and continues into the night, offering a distinctive experienc..